#!/usr/bin/env python3.3

#
#  Filename: e20.py
#  Author  : lukas singer
#
#  Comment : Created by createSolution.sh
#            Factorial Digit Sum

#import euler
from euler import fak

def pe20():
  print(sum(int(s) for s in str(fak(100))))

if __name__=="__main__":
  pe20()

